#在每一行上面加上注释。
people = 30 #people赋值30
cars = 40 #cars赋值40
trucks = 15 #trucks赋值15


if cars > people: #if语句开始
    print("We should take the cars.")#满足cars > people输出内容，否则不输出
elif cars < people:#不满足cars > people或者满足cars < people
    print("We should not take the cars.")#满足cars < people输出内容，否则不输出
else:
    print("We can't decide.")#既不满足if条件也不满足elif条件，输出内容

if trucks > cars:#if语句开始
    print("That's too many trucks.")#满足trucks > cars输出内容，否则不输出
elif trucks < cars:#不满足trucks > cars或者满足trucks < cars
    print("Maybe we could take the trucks.")#满足trucks < cars输出内容，否则不输出
else:
 print("We still can't decide.")#既不满足if条件也不满足elif条件，输出内容

if people > trucks:#if语句开始
     print("Alright, let's just take the trucks.")#满足people > trucks输出内容，否则不输出
else:
    print("Fine, let's stay home then.")#不满足people > trucks输出内容，否则不输出
